240642606667 has 16 divisors (see below), whose sum is σ = 271533192192. Its totient is φ = 212030515840.

The previous prime is 240642606647. The next prime is 240642606683. The reversal of 240642606667 is 766606246042.

It is not a de Polignac number, because 240642606667 - 2¹⁹ = 240642082379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240642606667.

It is not an unprimeable number, because it can be changed into a prime (240642606647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6529009 + ... + 6565762.

It is an arithmetic number, because the mean of its divisors is an integer number (16970824512).

Almost surely, 2^240642606667 is an apocalyptic number.

240642606667 is a deficient number, since it is larger than the sum of its proper divisors (30890585525).

240642606667 is a wasteful number, since it uses less digits than its factorization.

240642606667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13094858.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 240642606667 in words is "two hundred forty billion, six hundred forty-two million, six hundred six thousand, six hundred sixty-seven".